Rear sight for rifles and like small arms



H. R. L. ETHERINGTON.

REA? SIGHT FOR RIFLES AND LIKE SMALL ARMS. APPLICATION FILED ]AN.21,1922- I Patented Aug. 8, 1922.

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'llllllllll uluufi G e B ein nd De te sidine; nte n the oun y of Mid lee t Eng UNITED STATES HABRX REGINALD LEYGESTE-fi ETHERINGEBON, F PINNER,ENGLAND.

REAR sleet rel f meme AND 14m: SMALL ARMS;

Specification of Letters Patent; p m ga I telt e ett ee J l 2 192-2! rtNe-eee e To alleahom it m gty concernk f;

' Be 11; known that I, E Y Realm-tn) LEVY" CESTER ET ERINGTON', astibjec t'olf the King like'Smzill Arms, of which the follg tvir gg is'ticil end horizontal I ere tvhio fcomprise e sm ll hole capab o ver;

bar el it he i hes. "t 't' s 'i e he P vision-of. impevel Int n e e ingh Pet tion f th P rtt ret n -I m t e sig t Wh h he'e ze e d 1 shep of eep t ie can be vette With limits. Another object of the invention is toeilehle the adjli stmeiit -f the epertilre forming the sight to heperformed 'Without V t 'Y i he postm n o thee em ttt ee f fyi g the Sigting devi e reletlve to the rifle 'or't e lik A. t l f rti bbjeet Qthie'in r i t is t e Pre eet e e ei t tthetype pe fled Whieh is f simpleeo eitri ction and e e -t be. memtteiet red bo h! e p re l nd lR e YWith th bev bi ete n Vie the in rue ee en m iinle iee- 'ef Pe he ft f yeee ihed feed ele im j I th e emp iyit tl ew i g lit lf e v f x e t on eenler d e e e'etth s ghtin device I h e s t see l ion line .2 of g reFig. 3 i tenteletet enet them b dye ett iig. is'e eet e 111.16 474] ofF15;

F g- 51s a w in e v tien tithe in t time Of one Qt he weary iseet 6 is aView in ele'vatiohof oneof the l t evere n e des F 7 eit fle i e deeleveien. of sight un e n th t l; 0t rifl e d r s-I 8 e 9 re i r mma ic, l s

l tet t g th et ti n Qt he l e fer e e x ttieee er g v e' peei ne t hesig 1 1g. eperture. r i .r t

o hed e mg in whleh e m ey it ttie tl tt imte r etbedg tetttt, t

ent in reIetion termite the ep ttures flir e s in Figlqlrev 7 niehedvWith e een reil di pe d aph agm receive sliding elements, 5,; .6. fiirlfi shed With en relly d p d,- el nged QEPQUJW'QS' 7, 8

Pen'ge tet g t e glestegthe digeetign of n oyeme t of stud slides. r Iheends'fqtjthe QYl DdH I member 1, erelvqlosedhy' niet ri s of e ery dis s9, urn hed with epertu 11, 12 the centres of'wh'ieh are coincident vwith the axis of the body part '1; Thelcliscs 9, l e e tum e ed en th ntr fa e 'With e ie gt 'eve' l3, t e'id etively dep d, 9. fe end e ee Wl"piee t. prete o. l6; nth Perte 1 6 t ove a t g t angle e e teh th r endv am 8v etquel w rdt s th per r Qt P ei A'i el en By arrangin'gthe,elemegite fi alnd squ r -them By arrang ng sai eme mQ-VB at ether" etee, te" op ,enet e'rft epe t'ure r p ep y be eve hemb c form.Alternatively by. making onejofthe eter u e. 7 e d w dfi hen he the the-teer r e peep? A; may b gi en a we teegtl r rhe lb-e efef'm, eee tieeto it 4 .7 l heee lee whleh the elemen s? and eyelids tion consists ofcertain novel gletgils of con;

n' rele Qt to r h ther t ere mill d e -ethe w s' term d e shown [17 togive a grip when ibis desiredto r0- et-s u ed et 9 th esl Qthe ent re ofth elip 1 re nre de Wi t etet-e 13m-v je ctions 20, 21 ere herlt over; age nst h tee s ef the diee t the pte-j e et 20 be ng ee eng d m e' espeintere endto t t h ree t e t ne h, the di ee -i he eds 1 is. e ed, by.'p l tt .23 pivted et 2 te e beee pe t 25eep ing: 26 being provided formei tai ing the pillar in pe it n whe in I he itel te de egainst' thestoek 2- asshown by .gletted In. de ribing t ope a i n t the: eig

reference is made to the diagrammatic views 8 and 9, the. Centre part ofwhich inlt ill lines shows the peer. thee '9, that is, the disc see ng.he y e d tett e e am o v y th p ei ttefthe li es the rotary discs ,0. ye2tv retoi iin'g fit 7 in the body 1 and the ome im gr. edgesv representsthe graduations on the far disc 10 as it vyoulcl; appear. when viewedin,the; folded down position. Assuming the aperture A to be in the" dead'centre, 'and' the- I graduations 9 and 9 on the discs are oppo-" c sitetheir respective pointers and further that it is desired to' drop the,aperturever- I, tically, the disc 9 is r'otated'in ananticlockwisedirection say until the graduation marked 3 is opposite the pointer 2Oas shown in Figure 8; this will liavecailsed the slide etomove downwardsthereby dropping the slot 7and. c onseq,uently the aper fure 9.

I ture A. it is desired to raise the aper- I ture "Aland at the sametimeto shift same to the left, the disc!) is rotated in ,a vclock- "WlSGI direction say' until the pointer .20 is opposite the graduation 12which1r'aises the "aperture,and thedisc 10 is rotated in ananti-clockwise direction.sayi ntil the pointer; is opposite thegraduation 3 which moves the aperture to'the left as shown in Fig- Itwill be appreciated th'atfth theatre A may be 'move d-Y to any desiredposition I Within the areabf the apertures 11, 12' in the discs 9 10 andthat a irecord 'may bed kept of the positions.

The sliding 'elements'etlfi any desired 'be formed with slots'o'fvarying widths and:

a slide having a slot of one width m y be usedin combination with aslotof a differ raised surfaces 28.

I ,entiwidth so that the shape of the'actnal jsrghting aperture maybevaried, as: de.-; 85

sired.

For; the purpose, orjavoiaintniaaami1 contact between the inner facesof. t h e rotary discs 9 and and the outerffacesj of the slidingelements'5 and 6, the' latter are with 'the minutely preferably providedwhatIclaimisz I 111A rear sight for rifles an d'lik'e small"armscom'prising body part fixed to 'the stock of the rifle againsteither vertical or lateral movement relative to said stock, a,

, pair ofslotted' element's. adaptedto slide at asui'tableanglefto oneanotherin said body part, and means for imparting a"*sl iding movementto said slotted elements pendently of one another.

'2." A rear sight for rifles arms comprising a shallow cylindricalmemher a centrally disposed diaphragm in "said cylinder having atransverse recess in each 1 rating discs'a'nd said sliding'elemcntsj'where v rotary move lien of sa id dii'scsimpartsaj slid ngmovement to s'a1d sli ding elements.

I adapted to be mounted on the stock ofthe arm acylindrical; elementcarried by said pillar, a pair of apertured slidlng elements mounted ins'aid'cylindrical element so as "to be capable oi' movement at an angleto one-another, two apertured discs'each rotatably mounted insaidcylindrical element and havinga spiral groove in'its inner face, andprojections on the sliding apertured elements which engage said'spiralgrooves.

4. In a rear sight for rifles and-like small arms the combination of I ahinged pillar adapted to be mounted on the stock otfthe arm, acylindrical elementcarried by said pillar, a pair of apertured slidingelements mounted'in said cylindricalelement so as'to be capable ofinovement'at 'right angles to one another, two apertured discs"rotatably mounted in saidcylindrical element and eac having afspiralgroove on itsjinner face,

projectionson the sliding a ertured elements which engage said spiragrooves, and

means for maintaining .sald rotatable: discs in position relativetofsaid cy'linderQJ.

5. Inarearfsi'ght for rifles and like small arms the combination of apillar adapted to ele1nent,, tfwo' apertured "discs rotatably mounted inthe ends of said'cylindrical eleiment and each ,hayingsaspiral grooveinlits inner face, projections on the, sliding aper tured element whi eag fielder-1x grooves,' means, .for ma ntaining" sa d r0- rtatable discs"in position relative tosafidlcybe mounted on the stock ofthearrnt acylindric al element carried by said pillar; a pair I of aperturedelementsfmou'nted to slide at an angle to one another ;in said'cylindrical 9| lindriealelement', andmeans for indicating the positionsofsaid rotatable discs relative to thecylindricalelementf 6. The.combinati'onin a rearfsightf for sliding-elements mounted in saidcylinder so as to move at right'angles to one l another.

each of' said sliding elements having an aperture of rectangular shape,two apertured sliding aperturedelements which engage the discs, I

17. A rear sight for rifles andililieismall arms comprising ,a hingedpillar adapted to v. b m un ed. o t l otk 9f e m fa y i de r ied y aid ln wo, i.. id 7 elements mounted in I said cylinder I so as to moveatright angles'to'one anotherj eachof said sliding elements having:an'apertnr'e of I rectangular shape one of said apertures be- Iing ofgreater width than the'other; 'two' I I aper tureddiscsj' rotatablymounted on said arms the combination of 'ahingedpil lar cylinder andea'chhaving aS'piral groove in rifles'andlike small arms of a hingedpillar adapted to'ibe mounted on'thestock ot the arm, acylinderqcarriedby, said pillar; two 7 spiral gr Q esin-therdtatableapertured I V its inner face, and projections on the two slidingapertured elements which engage the spiral grooves in the rotatableapertured discs.

8. The combination in a rear sight for rifles and like small arms of ahinged pillar adapted to be mountedon the stock of the arm, a cylindercarried by said pillar, two

sliding elements mounted in said cylinderand like small arms a hingedpillar adapted to be mounted on the stock of the arm, a;

cylinder carried by said pillar, two sliding elements mounted in saidcylinder so as to move at an angle other than a right angle to oneanother each of said sliding elements having an aperture of rectangularshape one of said apertures being of greater, width than the other, twoapertured discs rotatably mounted in said cylinder and each'having aspiral groovein its inner face, projections,

on the inner faces of the two slidihgaper I tured elements which engagethe spiral grooves in the rotatable apertured discs, meansformaintaining said rotatable discs in position relativeto the cylinderin which they are mounted, and means for indicating the positions ofsaid rotatable tive to saidcylinder.

HARRY REGINALD LEYCESTER ETHERINGTON.

discs rela-

